Purchase type page represents an advanced alternative to the buy:// scheme used in SC to link to In-App Purchase products within your app.  

Parameters used for the buy:// scheme are hardcoded with specific handlers hosted on SC website. Using Purchase page offers the users possibility to manage by themselves the server side (database), editing the parameters listed below:

Product ID:

ID of the In-App Purchase product created on iTunes Connect (tutorial available at http://seattleclouds.com/IAP).

Redirect URL:

link to the page containing the content of the InAppPurchase product (the page user will be redirected after paying).

Return URL:

URL address of the handler which registers in a particular  database information regarding the purchase (ex: product ID, device ID, status of payment, etc.).

Cancel return URL:

page user will be redirected to if canceling purchase.

Notify URL:

page confirming successful notification, or URL to a handler emailing to the user a purchase confirmation message, etc.